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Accept pg_group as well as pg_shadow data from dumpall script.

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Rearrange handling of VACUUMs so that they are certain to be executed
as superuser not some random user; also, do not forget to vacuum
template1 itself.
This commit is contained in:
Tom Lane 2000-05-05 03:08:20 +00:00
parent 3d1461802e
commit 3a69c316cc
1 changed files with 46 additions and 21 deletions
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67
src/bin/pg_dump/pg_upgrade
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@ -3,15 +3,17 @@
# pg_upgrade: update a database without needing a full dump/reload cycle.
# CAUTION: read the manual page before trying to use this!
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.14 2000/02/23 15:46:12 momjian Exp $
# $Header: /cvsroot/pgsql/src/bin/pg_dump/Attic/pg_upgrade,v 1.15 2000/05/05 03:08:20 tgl Exp $
#
# NOTE: we must be sure to update the version-checking code a few dozen lines
# below for each new PostgreSQL release.
trap "rm -f /tmp/$$" 0 1 2 3 15
TMPFILE="/tmp/pgupgrade.$$"
trap "rm -f $TMPFILE" 0 1 2 3 15
if [ "$#" -eq 0 ]
then echo "Usage: $0 [-f inputfile] old_data_dir" 1>&2
then echo "Usage: $0 -f inputfile old_data_dir" 1>&2
exit 1
fi
@ -22,11 +24,12 @@ then INPUT="$2"
then echo "$INPUT does not exist" 1>&2
exit 1
fi
else INPUT=""
else echo "Usage: $0 -f inputfile old_data_dir" 1>&2
exit 1
fi
if [ "$#" -ne 1 ]
then echo "Usage: $0 [-f inputfile] old_data_dir" 1>&2
then echo "Usage: $0 -f inputfile old_data_dir" 1>&2
exit 1
fi
@ -101,28 +104,20 @@ esac
# OK, ready to proceed.
# Remove any COPY statements, except for the one that loads pg_shadow.
# Execute the input script to create everything, except that we remove
# any COPY statements, except for the ones that load pg_shadow/pg_group.
# There shouldn't be any others in there anyway...
# Also marks rows as committed because when pg_log is replaced with
# the saved version, the transaction statuses may be wrong, so
# vacuum sets the on-row status to the proper value.
cat $INPUT | awk ' {
if (toupper($1) == "COPY" && $2 != "pg_shadow")
if (tolower($1) == "copy" &&
$2 != "pg_shadow" &&
$2 != "pg_group")
while (getline $0 > 0 && $0 != "\\.")
;
else if (tolower($1) == "\\connect" &&
tolower($2) == "template1")
printf "VACUUM;\n%s\n", $0;
else print $0;
}' >/tmp/$$
}' >$TMPFILE
# We need to vacuum the last database too
echo "VACUUM;" >>/tmp/$$
# Create and vacuum empty tables/indexes
psql "template1" <"/tmp/$$"
psql "template1" <$TMPFILE
if [ $? -ne 0 ]
then echo "There were errors in the input script $INPUT.
@ -130,7 +125,36 @@ $0 aborted." 1>&2
exit 1
fi
echo "Input script $INPUT complete, moving data files..."
echo "Input script $INPUT complete, fixing row commit statuses..."
# Now vacuum each result database to mark all system-table rows as committed,
# because when pg_log is replaced with the saved version, the transaction
# statuses will no longer match the data. VACUUM will force the on-row
# status flags to the right value so that pg_log will not matter anymore.
# Note: we used to try to do this as part of the previous step, but that
# risks permissions problems if VACUUM is run as the wrong user.
# Note: the initial VACUUM does template1, then we do everything else.
cat $INPUT | awk 'BEGIN { print "VACUUM;" }
{
if (tolower($1) == "copy")
while (getline $0 > 0 && $0 != "\\.")
;
else if (tolower($1) == "\\connect" &&
$2 != "-" &&
$2 != "template1")
printf "\\connect %s\nVACUUM;\n", $2;
}' >$TMPFILE
psql "template1" <$TMPFILE
if [ $? -ne 0 ]
then echo "There were errors in the vacuuming step.
$0 aborted." 1>&2
exit 1
fi
echo "Commit fixes complete, moving data files..."
for DIR in data/base/*
do
@ -153,4 +177,5 @@ mv -f $OLDDIR/pg_variable data
echo "You must stop/start the postmaster before doing anything else."
echo "You may remove the $OLDDIR directory with 'rm -r $OLDDIR'."
exit 0